828360999 has 48 divisors (see below), whose sum is σ = 1276609152. Its totient is φ = 536567328.

The previous prime is 828360991. The next prime is 828361019. The reversal of 828360999 is 999063828.

828360999 is a `hidden beast` number, since 8 + 28 + 3 + 609 + 9 + 9 = 666.

It is not a de Polignac number, because 828360999 - 2³ = 828360991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828360991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1351017 + ... + 1351629.

It is an arithmetic number, because the mean of its divisors is an integer number (26596024).

Almost surely, 2^828360999 is an apocalyptic number.

828360999 is a deficient number, since it is larger than the sum of its proper divisors (448248153).

828360999 is an equidigital number, since it uses as much as digits as its factorization.

828360999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 828360999 is about 28781.2612475548. The cubic root of 828360999 is about 939.1606355852.

The spelling of 828360999 in words is "eight hundred twenty-eight million, three hundred sixty thousand, nine hundred ninety-nine".